CORROSION RESISTANCE OF HASTEllOY®AllOYS - Haynes ...

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Type 316 Concen- Temperature HASTEllOY~ alloy Staintration, less Corrosive Media percent deg. F deg. C 8/8-2 C/C-276 G/G-3 Steel Conditions Detrose (Greens) Liquor - 315·325 158·163 - G - - 0.04 N HCI. Alloy C= 4.35 mpy Oi-basic Organic Acid - 158 70 E E - E and Thiourea Di·basic Organic Acid - 158 70 E E - E aeration, H2S in vapor phase and Thiourea Dichlorethane 100 to 125 to 52 S S - - Dichlorobenzene - 355 180 E E* - - 4-5% hydrogen chloride, duration of test - 53 days, ·slight attack under spacer Dichloromonofluoro· 60 165 74 G E - E hydrogen chloride 20%; hydrogen fluoride 10%; chloroform 5%; an· methane and monochloro- timony pentachloride, oxygen, nitrogen, total 5% (all approx.); water not difluoro·methane over 200 ppm Dichlorophenol 100 250 121 E E E E trace of hydrogen chloride and water vapor Duration of test - 36 days Aeration - moderate Agitation - none Process involved - dichlorophenol Diethyl Malonate - 77-212 25·100 G E - - 2 cycles, liquid 72 hrs., vapor 130 hrs., malononitrile process (pilot plant test) Diethyl Sulfate - 180·194 82-90 G E - U Alloy B pitted in liquid. H2S04 (small amI. probably). 153 hrs. Dimethylaniline 26 212 roo E G - U 117 hrs. field test, aqueous DMA-HCI Hydrochloride Unsymetrical - 86 30 E E - E testing rocket fuels, 28 days Dimethylhydrazine Unsymetrical - 146 63 E E - - testing rocket fuels, 7 days Dimethylhydrazine Diphenylamine - 212 100 E E - E hot wash liquid, reaction product of diphenylamine and acetone in HBr catalyst after addition of 50% NaOH to yield pH of 12·14, moderate aeration Dodecylbenzene - 145·165 63-74 B - - - plus S02, S03' spent H2S04at bottom of sulfonator. Alloy B = 27 mpy Sulfonic Acid (liquid), 32 mpy (vapor) Duke's Mixtures - 70 21 - E - S industrial waste: water, low but widely varying concentrations of hydrochloric, hydrobromic, sulfuric, sulfurous acids, alcohols, chlorinated organic solvents. pH about 1, moderate aeration Electrolyte - 150 66 S* E E E 194 gil H2S04, 49 gil CUS04' 1gil CaO. ·specimen corroded away or was lost, air free Epichlorhydrin - 176-212 80-100 - E - - plus caustic soda, bisphenol, trichloroethylene, and sodium chloride brine. pH = 10·12 in resin manufacture. Alloy C
Type 316 Concen- Temperature HASTELlOY~ alloy Staintration, less Corrosive Media percent deg. F deg. C 8/8-2 C/C-276 G/G-3 Steel Conditions Ethyl Chloride 25 75 24 S S - - 50 75 24 S S - - 70 75 24 S S - - 100 75 24 S S - - Ethyl Cyanoacetate - ]],212 25-100 G E - - lab test, agitation Ethylene, Cracked - 160-170 71-77 E E - - contains some organic acids, CO2, HCI, H20. pH =5.0 approx., Alloy C= Gases 0.127 mpy Ethylene Diamine 100 to B.P. to B.P. - B - - Hydrochloride Ethylene Diamine 8-8.5 250·365 121-185 S G - - in 50 percent ammonia solution. Alloy C=5.7 mpy Hydrochloride Ethylene Diamine 50-60 183 84 - E - - plus 30-40 percent anhydride 0-20 percent solids. Alloy C=nil mpy, Tetra-acetic Acid 16,800-hr. test. Ethylene Dichloride - 100·220 38-104 E U - - plus water, pella oil, and occasional traces of HCI. Alloy C=72 mpy Ethylene Glycols 20 Ambient to Ambient to - E - - sodium hydroxide diethylene glycol 80% forming sodium diethylene 320 160 glycolate. Addition of dimethylamine, organic chloride, forming amide: strongly alkaline Ethylene, Trichlor - 156 69 E E - - plus gaseous ammonia in distillation process. Alloy C=0.03 mpy Crude Exhaust Air - 170 77 - E - E saturated with water vapor containing chlorine (low concentration and in suspended droplets), sodium hydroxide, chromate and chromic wastes (low concentration) and chloride, extensive aeration Exha ust Gases - 50-355 10-180 - G - - entrained phosphoric acid, sulfuric acid vapor, sulfur trioxide, nitrous from evaporator acid, silicon tetrafluoride, water vapor; sprayed with water containing phosphoric acid 0.1 %, sulfuric acid 0.06%, combined fluoride 0.1 %, extensive aeration Exhoxylates - 94 35 G E - B 36 hrs., samples in circulator line. Sulfonation of ethoxylates with chlorosulfonic acid. HCI evolved. Fabric Softeners 80-85 160 71 - E - - secondary amines of tallow dissolved in isopropyl alcohol, methyl &Manufacture chloride added to MNTN press and 73% NaOH to keep neutral Fabric Softener - 130 54 - E E E quaternary salt of tallow in isopropyl alcohol with 1-2% HCI to make Rx Effluent slightly acid, 1%H20 and CI. Manufacture of fabric softener, agitationlightening mixer, total days 235.0 Fatty Acids 90 220·240 104-116 - E - - plus 5 percent H2S04, 3 percent sebacic acid, small amounts of Na2S04, K2S0 4 and H2O Fatty Acids 100 to 275 to 135 E E* - - *Iiquid and vapor phases 100 to 600 to 316 E E* - - Fatty Acids - 210 99 - E - - in distillation from tall oil Fatty Acids - 455·473 235-245 - E - - during fractionation. Alloy C=0.5 mpy Fatty Acids - Room to 220 Room to 104 - E - E vapor over fatty acid (sebacic), sulfuric acid, pH 2-6, extensive aeration Fatty Acids - 250·450 121-232 G E - - plus iodine and rosin vapors. Alloy C=0.5 mpy Fatty Acids, - 560-590 293-310 - E - - in Kraft pulp manufacture. Alloy C= 1.0 mpy in vapor phase, 0.1 mpy Tall Oil in liquid Ferric Chloride - 200 93 - U - - plating solution, 450 grams/liter FeCI 3 , enough HCI to keep pH =0.4 Ferric Chloride - 216 102 - E - - plus ammonia and fatty acids. Alloy C
Page 1 and 2: OUR NEW NAME Haynes International,
Page 3 and 4: COMPARATIVE CHEMICAL COMPOSITIONS,
Page 5 and 6: 'A~0~A~~ Alloy / q,~ "'.>~~~Cfj 0.5
Page 7 and 8: Type 316 Concen- Temperature HASTEL
Page 9 and 10: Type 316 Concen- Temperature HASTEl
Page 19: Type 316 Concen- Temperature HASTEl
Page 43 and 44: Type 316 Coneen- Temperature HASTEl
Page 61 and 62: ( Type 316 Concen- Temperature HAST
Page 63 and 64: ISOCORROSION DIAGRAMS· HASTELLOY®
Page 65 and 66: ISOCORROSION DIAGRAMS* HASTELLOY®
Page 67 and 68: ISOCORROSION DIAGRAMS* HASTELLOY®
Page 69 and 70: ISOCORROSION DIAGRAMS· r HASTELLOY
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PHOSPHORIC ACID ISOCORROSION DIAGRA
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ISOCORROSION DIAGRAMS* HASTELLOY®
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ISOCORROSION DIAGRAMS· HASTELLOY®
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ISOCORROSION DIAGRAMS* HASTELLOY®
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ACETIC AND FORMIC ACIDS Acetic and
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EFFECT OF TEMPERATURE ON PITTING RE
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CREVICE-CORROSION DATA IN 10% FERRI
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CORROSION RESISTANCE OF HAYNES® AL
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TYPICAL PENETRATION RATES IN CORROS
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